CVE-2019-12900

CRITICAL

9.8

CVSS Score

Published: June 19, 2019 at 10:07 PM UTC

Updated: October 14, 2026 at 07:16 AM UTC

7 products affected across 7 vendorsDebian LinuxUbuntu LinuxLeap

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Severity

CRITICAL9.8

Exploit prediction

EPSS 8%

SSVC

No known exploit

Description

BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

BZIP2 · Bzip

95%

v ≤ 1.0.6

Ubuntu Linux · Canonicalrubygems

95%

12.04 14.04 16.04 18.04 19.04

Debian Linux · Debiandrupal

95%

8.0

FreeBSD · Freebsd

95%

11.2 11.2 p10 11.2 p11 11.2 p12 11.2 p2 11.2 p3 11.2 p4 11.2 p5 11.2 p6 11.2 p7 11.2 p8 11.2 p9 11.2 rc3 11.3 11.3 p1 12.0 12.0 p1 12.0 p2 12.0 p3 12.0 p4 12.0 p5 12.0 p6 12.0 p7 12.0 p8

Leap · openSUSEdrupal

95%

15.0 15.1

Python · Python

95%

3.10.0 ≤ v < 3.10.33.7.0 ≤ v < 3.7.133.8.0 ≤ v < 3.8.133.9.0 ≤ v < 3.9.11

Affected range stops below 3.10.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.7.13, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.8.13, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.9.11, so it looks safe — our inference, not a vendor statement

BZIP2 · BZIP2

59%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (25)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00040.html

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00050.html

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00078.html

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory

Source: [email protected]

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00000.html

x_refsource_MISCThird Party AdvisoryVDB Entry

Source: [email protected]

http://packetstormsecurity.com/files/153644/Slackware-Security-Advisory-bzip2-Updates.html

x_refsource_MISCThird Party AdvisoryVDB Entry

Source: [email protected]

http://packetstormsecurity.com/files/153957/FreeBSD-Security-Advisory-FreeBSD-SA-19-18.bzip2.html

x_refsource_MISCPatchVendor Advisory

Source: [email protected]

https://gitlab.com/federicomenaquintero/bzip2/commit/74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc

Mailing Listx_refsource_MLIST

Source: [email protected]

https://lists.apache.org/thread.html/ra0adb9653c7de9539b93cc8434143b655f753b9f60580ff260becb2b%40%3Cusers.kafka.apache.org%3E

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-787

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